Backpack for a vacuum cleaner



FIG. 1 is a front, top and side perspective view of a backpack for a vacuum cleaner embodying the design of the present invention;

FIG. 2 is a side elevational view thereof, the side opposite being a mirror image of the side shown in FIG. 2;

FIG. 3 is a front elevational view thereof, the waist strap shown flattened;

FIG. 4 is a rear elevational view of FIG. 3;

FIG. 5 is a top plan view of FIG. 1; and,

FIG. 6 is a bottom plan view of FIG. 1. 

The ornamental design for a backpack for a vacuum cleaner, as shown and described. 